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Microsoft bug allows Duqu virus in

Company reveals that undetected flaw in their systems helped Duqu propagate

Microsoft bug allows Duqu virus in
Microsoft has revealed that the Duqu virus exploits a previously undetected flaw in its systems to infect computers.

Microsoft has revealed that hackers used a previously undetected bug in its system to infect computers with the Duqu virus, which is closely related to Stuxnet, according to Reuters.

"We are working diligently to address this issue and will release a security update for customers," Microsoft told Reuters on Tuesday.

The Duqu virus was first revealed by Symantec in October, when the cyber-security company said it had found a virus which contained code similar to Stuxnet.

Stuxnet is believed to have caused havoc on Iran's nuclear system in 2010.

Details on how Duqu managed to affect computer systems emerged this week, when Microsoft disclosed its link to the infection.

Symantec said earlier this week that it believes hackers sent the virus via emails with infected Microsoft Word attachments.

If the recipient opened the affected attachment, their PC became infected and the attacker could take control of the machine and infect the entire network.

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